It depends on the source of the knock. Only happening when the shower is on? Then it might be the shower lines banging against the wall behind the shower. Here is a thread.https://tab-rv.vanillacommu… (View Post)
I am not a generator fan. But, that is me. Some owners don't have choices. They may have needs that make a generator a necessity. Air conditioning/CPAP/inability to rig up a portable system that migh… (View Post)
This video is embedded in one of the threads linked above. Kind of a specific description of what is happening with the coupler as it goes about its day.https://www.youtube.com/watch?v=Zq3f8b37laQ&am… (View Post)